public class ThreadDemo1 {
    public static void main(String[] args) throws InterruptedException {
        Thread t = new Thread(() -> {
            for(int i = 0;i < 100000;i ++) {
                System.out.println("线程运行中...");
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }
            }
        });

        System.out.println(t.getState());
        t.start();
        Thread.sleep(500);
        System.out.println(t.getState());
        t.join();
        System.out.println(t.getState());
    }
}
